feat:添加在线课面授课任务命名规则

src/components/drawers/AddOnline.vue

@@ -22,13 +22,26 @@
           <div class="mi_ipts">
             <div class="mii_ipt">
               <div class="ipt_name">课程名称：</div>
-              <div class="fi_input">
+              <div
+                class="fi_input"
+                style="position: relative; display: flex; align-items: center"
+              >
                 <a-input
                   v-model:value="inputV1"
-                  style="width: 240px; height: 40px; border-radius: 8px"
+                  style="
+                    width: 280px;
+                    height: 40px;
+                    border-radius: 8px;
+                    padding-right: 49px;
+                  "
                   placeholder="请输入课程名称"
                   maxlength="20"
                 />
+                <div class="inp_num" style="position: absolute; right: 7px">
+                  <span style="color: #c7cbd2">
+                    {{ inputV1 ? inputV1.length : 0 }}/20
+                  </span>
+                </div>
               </div>
             </div>
             <!-- 2022-12-10注释 后面放开 李晓鸽 -->